Reinforced box cover structure of oil-immersed power transformer

Abstract

The utility model discloses a reinforcing box cover structure of an oil-immersed power transformer, which comprises an oil-immersed power transformer shell, the left part and the right part of the lower end of the oil-immersed power transformer shell are respectively provided with a mounting base, and the upper part of the right end of the oil-immersed power transformer shell is provided with two supporting seats; an oil conservator is jointly installed at the upper ends of the two supporting seats, an installation device is installed at the upper end of the oil-immersed power transformer shell, and a protection device is installed at the upper end of the installation device. According to the reinforcing box cover structure of the oil-immersed power transformer, the inserting plate at the lower end of the mounting box cover is aligned with and inserted into the butt joint inserting groove in the mounting frame, and at the moment, the second screw hole in the inserting plate exactly corresponds to the position of the fixing screw in a front-back mode; and then the mounting box cover can be fixed only by screwing the fixing screws into the mounting frame, so that not only can the mounting box cover be quickly mounted conveniently, but also the inserting plate is fixed in the mounting frame, and the stability of the mounting box cover is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil -immersed power transformer technical field especially relates to a kind of reinforced box cover structure of oil -immersed power transformer. BACKGROUND

[0002] Oil-immersed power transformer is a kind of common power equipment, mainly used to convert high voltage into low voltage, or vice versa, to adapt to different power needs, it converts the input AC power into different voltage levels of AC power by using electromagnetic induction principle.

[0003] The box cover of oil-immersed power transformer is an important part of the transformer oil tank, which not only prevents external moisture, dust and other impurities from entering the oil tank, thereby protecting the internal components of the transformer, but also places and supports various panel components of the transformer, ensuring the integrity and stability of the transformer. However, the existing box cover is mostly flat, and the box cover is installed on the shell of the transformer by screwing, so the screws on the box cover need to be aligned with the screw holes on the shell during installation, and the box cover is only fixed by screws, so the stability after installation is also general. SUMMARY

[0004] The main purpose of the utility model is to provide a reinforced box cover structure of oil-immersed power transformer, which can effectively solve the problem that the box cover is fixed by screws, which is difficult to quickly position and has general stability.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A reinforced box cover structure of oil-immersed power transformer, comprising an oil-immersed power transformer shell, an installation base is installed on the lower left and right ends of the oil-immersed power transformer shell, two support seats are installed on the upper right end of the oil-immersed power transformer shell, an oil pillow is installed on the upper ends of the two support seats, an installation device is installed on the upper end of the oil-immersed power transformer shell, and a protection device is installed on the upper end of the installation device.

[0007] Preferably, an installation rack is installed on the upper end of the oil-immersed power transformer shell, a group of fixing screws are installed on the front and rear ends of the installation rack, a group of No. 1 screw holes are opened on the left and right ends of the installation rack, and a butt joint slot is opened on the right front and rear ends of the installation rack. Align and insert the plugboard at the lower end of the installation box cover into the butt joint slot on the installation rack, at this time the No. 2 screw holes on the plugboard are just corresponding to the front and rear positions of the fixing screws, then just screw the fixing screws into the installation rack to fix the installation box cover, which can not only facilitate the quick installation of the installation box cover, but also fix the plugboard on the installation box cover in the installation rack, further improving the stability of the installation box cover.

[0008] Preferably, the mounting device comprises a mounting box cover, two lifting rings are fixedly installed on the upper left part and the upper right part of the mounting box cover, and plug plates are fixedly installed on the lower front part and the lower rear part of the mounting box cover, a group of No.

[0009] Preferably, the protection device comprises a protection frame, a sealing ring is fixedly installed on the inner wall of the protection frame, a group of mounting screws are installed on the left end and the right end of the protection frame, the mounting screws are in left-right correspondence with the positions of the No.

[0010] Preferably, the mounting frame and the oil-immersed power transformer shell are designed in an integrated mode, and the mounting frame is in a mouth-shaped form.

[0011] Preferably, the butt joint slots and the plug plates are in left-right correspondence and are in T-shaped forms.

[0012] Compared with the prior art, the oil-immersed power transformer has the following beneficial effects:

[0013] 1. When the mounting box cover needs to be fixed on the oil-immersed power transformer shell, first, the plug plates at the lower end of the mounting box cover are aligned and inserted into the butt joint slots on the mounting frame on the oil-immersed power transformer shell, at this time, the No.

[0014] 2. After the mounting box cover is installed, the protection frame on the protection device is placed on the mounting box cover, then the mounting screws on the protection frame are screwed into the No. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The utility model relates to a kind of overall structure schematic diagram of the reinforcing box cover structure of oil-immersed power transformer.

[0016] Figure 2 The utility model relates to a kind of overall structure schematic diagram of the oil-immersed power transformer shell of reinforcing box cover structure of oil-immersed power transformer.

[0017] Figure 3 The utility model relates to a kind of overall structure schematic diagram of mounting device of reinforcing box cover structure of oil-immersed power transformer.

[0018] Figure 4 The utility model relates to a kind of overall structure schematic diagram of protection device of reinforcing box cover structure of oil-immersed power transformer.

[0019] In the drawing: 1, oil-immersed power transformer shell;2, mounting device;3, protection device;4, mounting base;5, support seat;6, oil pillow;10, mounting frame;11, butt joint slot;12, fixed screw;13, No. 1 screw hole;20, mounting box cover;21, lifting ring;22, plugboard;23, No. 2 screw hole;30, protection frame;31, mounting screw;32, sealing ring. DETAILED DESCRIPTION

[0020] To make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as limiting the utility model by indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0023] For example, Figures 1-4As shown, a reinforced tank cover structure of an oil-immersed power transformer, comprising an oil-immersed power transformer shell 1, the lower left and lower right of the oil-immersed power transformer shell 1 are both provided with a mounting base 4, the upper right of the oil-immersed power transformer shell 1 is provided with two support seats 5, the upper ends of the two support seats 5 are jointly provided with an oil pillow 6, the upper end of the oil-immersed power transformer shell 1 is provided with a mounting device 2, and the upper end of the mounting device 2 is provided with a protection device 3.

[0024] The upper end of the oil-immersed power transformer shell 1 is provided with a mounting rack 10, the front end and the rear end of the mounting rack 10 are both provided with a group of fixing screws 12, the left end and the right end of the mounting rack 10 are both provided with a group of No. 1 screw holes 13, and the right front and right rear of the mounting rack 10 are both provided with butt joint slots 11; the mounting rack 10 is designed in an integral manner with the oil-immersed power transformer shell 1, and the shape of the mounting rack 10 is in the shape of a mouth. The plugboard 22 at the lower end of the mounting tank cover 20 is aligned and inserted into the butt joint slot 11 on the mounting rack 10, at this time, the No. 2 screw holes 23 on the plugboard 22 are just corresponding to the positions of the fixing screws 12 in front and back, then the fixing screws 12 are only needed to be screwed into the mounting rack 10 to fix the mounting tank cover 20, which not only can facilitate the quick installation of the mounting tank cover 20, but also can fix the plugboard 22 on the mounting tank cover 20 in the mounting rack 10, further improving the stability of the mounting tank cover 20.

[0025] The mounting device 2 comprises a mounting tank cover 20, the upper left and upper right of the mounting tank cover 20 are both fixedly provided with two lifting rings 21, the lower front and lower rear of the mounting tank cover 20 are both fixedly provided with plugboards 22, the front ends of the two plugboards 22 are both provided with a group of No. 2 screw holes 23, the No. 2 screw holes 23 are corresponding to the positions of the fixing screws 12 in front and back, and the mounting tank cover 20 is fixedly installed on the upper end of the mounting rack 10 through the plugboards 22; the butt joint slots 11 are corresponding to the positions of the plugboards 22 in left and right, and the shapes of the butt joint slots 11 and the plugboards 22 are both in the shape of T. Through the design of the lifting rings 21 on the mounting tank cover 20, the overall oil-immersed power transformer is also convenient to hoist.

[0026] The protection device 3 comprises a protection rack 30, a sealing ring 32 is fixedly installed on the inner wall of the protection rack 30, a group of mounting screws 31 are installed on the left end and the right end of the protection rack 30, the mounting screws 31 are corresponding to the positions of the No. 1 screw holes 13 in left and right, and the protection rack 30 is fixedly installed on the peripheral side of the mounting rack 10 through the mounting screws 31. The protection rack 30 is fixedly installed on the peripheral side of the mounting rack 10 through the mounting screws 31, at this time, the protection rack 30 not only can protect the side edges of the mounting rack 10 and the mounting tank cover 20, but also can further protect the fixing screws 12 thereon, thereby further reinforcing and protecting the mounting tank cover 20.

[0027] It needs to be explained that the utility model discloses a kind of reinforcing box cover structure of oil-immersed power transformer, when needing to be fixed installation box cover 20 on oil-immersed power transformer shell 1, first, the plugboard 22 of installation box cover 20 lower end is aligned and inserted into the docking slot 11 on the mounting frame 10 on oil-immersed power transformer shell 1, at this time, the No. 2 screw hole 23 on plugboard 22 just corresponds with the position of fixed screw 12 before and after, then only need to be screwed into mounting frame 10 fixed screw 12 can installation box cover 20 is fixed, not only can conveniently install the quick installation of installation box cover 20, and plugboard 22 on installation box cover 20 is fixed in mounting frame 10, further improve the stability of installation box cover 20, simultaneously, the design of lifting ring 21 on installation box cover 20 also facilitates the hoisting of oil-immersed power transformer whole, after installation box cover 20 is installed, the protection frame 30 on protection device 3 is placed on installation box cover 20 in turn, then the mounting screw 31 on protection frame 30 is screwed into No. 1 screw hole 13 on mounting frame 10 in turn, at this time, protection frame 30 not only can protect the side of mounting frame 10 and installation box cover 20, but also can further protect the fixed screw 12 thereon, to further reinforce the protection of installation box cover 20.

[0028] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A reinforced tank cover structure of an oil-immersed power transformer, comprising an oil-immersed power transformer housing (1), characterized in that: The oil-immersed power transformer shell (1) lower end left and lower end right are equipped with mounting base (4), the oil-immersed power transformer shell (1) right end upper part is equipped with two support seat (5), and the upper end of two support seat (5) is equipped with oil pillow (6) in common, the oil-immersed power transformer shell (1) upper end is equipped with mounting device (2), and the upper end of mounting device (2) is equipped with protection device (3);The oil-immersed power transformer shell (1) upper end is equipped with mounting bracket (10), a group of fixed screws (12) are installed on the front end and rear end of mounting bracket (10), a group of No. 1 screw holes (13) are opened on the left end and right end of mounting bracket (10), and butt joint slot (11) is opened on the right end front and right end rear of mounting bracket (10);The mounting device (2) includes installation box cover (20), two lifting lugs (21) are fixedly installed on the upper end left and upper end right of installation box cover (20), and plugboard (22) is fixedly installed on the lower end front and lower end rear of installation box cover (20), a group of No. 2 screw holes (23) are opened on the front end of two plugboards (22), the No. 2 screw holes (23) and fixed screws (12) are corresponding in position front and back, and the installation box cover (20) is fixedly installed on the upper end of mounting bracket (10) through plugboard (22);The protection device (3) includes protection frame (30), and sealing ring (32) is fixedly installed on the inner wall of protection frame (30), a group of mounting screws (31) are installed on the left end and right end of protection frame (30), the mounting screws (31) and No. 1 screw hole (13) are corresponding in position left and right, and the protection frame (30) is fixedly installed on the circumferential side of mounting bracket (10) through mounting screw (31).

2. The reinforced tank cover structure of an oil-immersed power transformer according to claim 1, characterized in that: The mounting bracket (10) and oil-immersed power transformer shell (1) are integrally designed, and the shape of mounting bracket (10) is mouth-shaped.

3. The reinforced tank cover structure of an oil-immersed power transformer according to claim 1, characterized in that: The butt joint slot (11) and plugboard (22) are corresponding in position left and right, and the shape is T-shaped.

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